当存在物品和服务销售的完全竞争市场时，不可能产生的是（）。

A.需求拉上的通货膨胀

B.结构性通货膨胀

C.工资推进的通货膨胀

D.利润推进的通货膨胀

You _____ to town to see the film yesterday. It will be on TV tonight.

[      ]

A. didn't need to go

B. couldn't go

C. should not go

D. needn't have gone